Journal of the American College of Radiology : JACR · 2015
Diagnostic Radiology Resident and Fellow Workloads: A 12-Year Longitudinal Trend Analysis Using National Medicare Aggregate Claims Data.
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Chokshi Falgun H, Hughes Danny R, Wang Jennifer M, Mullins Mark E, Hawkins C Matthew, Duszak Richard
Аннотация
PURPOSE: The aim of this study was to evaluate changes in diagnostic radiology resident and fellow workloads in recent years.
METHODS: Berenson-Eggers Type of Service categorization was applied to Medicare Part B Physician/Supplier Procedure Summary Master Files to identify total and resident-specific claims for radiologist imaging services between 1998 and 2010. Data were extracted and subgroup analytics performed by modality. Volumes were annually normalized for active diagnostic radiology trainees.
RESULTS: From 1998 to 2010, Medicare claims for imaging services rendered by radiologists increased from 78,901,255 to 105,252,599 (+33.4%). Service volumes increased across all modalities: for radiography from 55,661,683 to 59,654,659 (+7.2%), for mammography from 5,780,624 to 6,570,673 (+13.7%), for ultrasound from 5,851,864 to 9,853,459 (+68.4%), for CT from 9,351,780 to 22,527,488 (+140.9%), and for MR from 2,255,304 to 6,646,320 (+194.7%). Total trainee services nationally increased 3 times as rapidly. On an average per trainee basis, however, the average number of diagnostic services rendered annually to Medicare Part B beneficiaries increased from 499 to 629 (+26.1%). By modality, this represents an average change from 333 to 306 examinations (-8.1%) for radiography, from 20 to 18 (-7.4%) for mammography, from 37 to 56 (+49.7%) for ultrasound, from 88 to 202 (+129.1%) for CT, and from 20 to 47 (+132.0%) for MRI.
CONCLUSIONS: Between 1998 and 2010, the number of imaging examinations interpreted by diagnostic radiology residents and fellows on Medicare beneficiaries increased on average by 26% per trainee, with growth largely accounted for by disproportionate increases in more complex services (CT and MRI).
METHODS: Berenson-Eggers Type of Service categorization was applied to Medicare Part B Physician/Supplier Procedure Summary Master Files to identify total and resident-specific claims for radiologist imaging services between 1998 and 2010. Data were extracted and subgroup analytics performed by modality. Volumes were annually normalized for active diagnostic radiology trainees.
RESULTS: From 1998 to 2010, Medicare claims for imaging services rendered by radiologists increased from 78,901,255 to 105,252,599 (+33.4%). Service volumes increased across all modalities: for radiography from 55,661,683 to 59,654,659 (+7.2%), for mammography from 5,780,624 to 6,570,673 (+13.7%), for ultrasound from 5,851,864 to 9,853,459 (+68.4%), for CT from 9,351,780 to 22,527,488 (+140.9%), and for MR from 2,255,304 to 6,646,320 (+194.7%). Total trainee services nationally increased 3 times as rapidly. On an average per trainee basis, however, the average number of diagnostic services rendered annually to Medicare Part B beneficiaries increased from 499 to 629 (+26.1%). By modality, this represents an average change from 333 to 306 examinations (-8.1%) for radiography, from 20 to 18 (-7.4%) for mammography, from 37 to 56 (+49.7%) for ultrasound, from 88 to 202 (+129.1%) for CT, and from 20 to 47 (+132.0%) for MRI.
CONCLUSIONS: Between 1998 and 2010, the number of imaging examinations interpreted by diagnostic radiology residents and fellows on Medicare beneficiaries increased on average by 26% per trainee, with growth largely accounted for by disproportionate increases in more complex services (CT and MRI).